Description
Introducing the cutting-edge OS Giken STR series, designed to effortlessly handle up to 550hp while maintaining drivability comparable to standard systems. With a remarkable 30% reduction in pedal effort compared to most multi-plate clutches, the STR series achieves this feat through innovative plate and diaphragm designs, boasting a mere 715kg clamping pressure.
Ideal for a myriad of driving scenarios, the STR series caters to everyday use as well as race and drift applications. For those engaged in drag racing, we recommend exploring our competition twin plate line-up for optimal performance.
Each clutch kit is thoughtfully crafted, featuring a lightweight chrome-moly flywheel, a striking ruby red-anodized billet aluminum clutch cover, and the essential bearing/carrier set or pull-push converter kit where applicable. The comprehensive package includes the bearing and carrier, ensuring a hassle-free installation.
Application versatility is a hallmark of the STR series, and our exhaustive application list caters to various models and engine types. Notable mentions include the Nissan Skyline ECR33, Skyline R32/R33/HR31, Skyline DR30, Skyline GC10 through HR30, Skyline PGC10/KPGC10/KPGC110, Silvia S15, Silvia S14/PS13/RPS13, Silvia S13/RS13, Pulsar RNN14, Fairlady Z33, Fairlady S30 through 130Z, Fairlady SR311, and Bluebird H510/P510.
For a seamless installation, be sure to acquire 8 Genuine Nissan flywheel bolts (PN: 12315-30P01), a requisite for the aforementioned models.
Experience the power, precision, and performance of the OS Giken STR series ? where innovation meets drivability. Elevate your driving experience today.

